CVE-2022-48879
efi: fix NULL-deref in init error path
Using Linux by Linux?
Get instant alerts when new vulnerabilities affect Linux - before attackers find them.
Description
In the Linux kernel, the following vulnerability has been resolved: efi: fix NULL-deref in init error path In cases where runtime services are not supported or have been disabled, the runtime services workqueue will never have been allocated. Do not try to destroy the workqueue unconditionally in the unlikely event that EFI initialisation fails to avoid dereferencing a NULL pointer.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/4ca71bc0e1995d15486cd7b60845602a28399cb5
- https://git.kernel.org/stable/c/585a0b2b3ae7903c6abee3087d09c69e955a7794
- https://git.kernel.org/stable/c/5fcf75a8a4c3e7ee9122d143684083c9faf20452
- https://git.kernel.org/stable/c/703c13fe3c9af557d312f5895ed6a5fda2711104
- https://git.kernel.org/stable/c/adc96d30f6503d30dc68670c013716f1d9fcc747
References (6)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Quick Info
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.